Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge walk down Kuniya Walk at the base of Uluru on April 22, 2014 in Ayers Rock, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge walk down Kuniya Walk at the base of Uluru on April 22, 2014 in Ayers Rock, Australia. The Duke and Duchess of Cambridge are on a three-week ... more

Royal fans watch as Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge walk down Kuniya Walk at the base of Uluru on April 22, 2014 in Ayers Rock, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Royal fans watch as Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge walk down Kuniya Walk at the base of Uluru on April 22, 2014 in Ayers Rock, Australia. The Duke and Duchess of Cambridge ... more

Prince William, Duke of Cambridge (not pictured) and his wife Catherine, Duchess of Cambridge visit children and relatives at the Bear Cottage Hospice at Manly on April 18, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Prince William, Duke of Cambridge (not pictured) and his wife Catherine, Duchess of Cambridge visit children and relatives at the Bear Cottage Hospice at Manly on April 18, 2014 in Sydney, Australia. The Duke ... more

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge walk down Kuniya Walk at the base of Uluru on April 22, 2014 in Ayers Rock, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge walk down Kuniya Walk at the base of Uluru on April 22, 2014 in Ayers Rock, Australia. The Duke and Duchess of Cambridge are on a three-week ... more

An Aboriginal woman performs for Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge at the National Indigenous Training Academy on April 22, 2014 in Ayers Rock, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

An Aboriginal woman performs for Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge at the National Indigenous Training Academy on April 22, 2014 in Ayers Rock, Australia. The Duke and ... more

Prince William, Duke of Cambridge shakes hands with a Aboriginal man as they arrive at the Cultural Centre, Uluru-Kata Tjuta National Park April 22, 2014 in Ayers Rock, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Prince William, Duke of Cambridge shakes hands with a Aboriginal man as they arrive at the Cultural Centre, Uluru-Kata Tjuta National Park April 22, 2014 in Ayers Rock, Australia. The Duke and Duchess of ... more

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge are presented with an Aboriginal spear as they arrive at the National Indigenous Training Academy on April 22, 2014 in Ayers Rock, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge are presented with an Aboriginal spear as they arrive at the National Indigenous Training Academy on April 22, 2014 in Ayers Rock, ... more

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge pose in front of Uluru, also known as Ayers Rock, on April 22, 2014 in Ayers Rock, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge pose in front of Uluru, also known as Ayers Rock, on April 22, 2014 in Ayers Rock, Australia. The Duke and Duchess of Cambridge are on a ... more

Britain's Prince William and his wife Kate, the Duchess of Cambridge, left, meet Leuca the Koala held by keeper Lucinda Cveticanin during a wildlife show while on a visit to Taronga Zoo in Sydney, Australia, Sunday, April 20, 2014. less

Britain's Prince William and his wife Kate, the Duchess of Cambridge, left, meet Leuca the Koala held by keeper Lucinda Cveticanin during a wildlife show while on a visit to Taronga Zoo in Sydney, Australia, ... more

Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge talk to surf life-savers at Manly Beach during a surf life-saving presentation on April 18, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge talk to surf life-savers at Manly Beach during a surf life-saving presentation on April 18, 2014 in Sydney, Australia. The Duke and Duchess ... more

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge watch their son Prince George of Cambridge look at an Australian animal called a Bilby, which has been named after the young Prince, during a visit to Sydney's Taronga Zoo on April 20, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge watch their son Prince George of Cambridge look at an Australian animal called a Bilby, which has been named after the young Prince, during ... more

Prince William, Duke of Cambridge holds Prince George of Cambridge as Catherine, Duchess of Cambridge gives him a commemorative card during a visit to the Bilby Enclosure at Taronga Zoo on April 20, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Prince William, Duke of Cambridge holds Prince George of Cambridge as Catherine, Duchess of Cambridge gives him a commemorative card during a visit to the Bilby Enclosure at Taronga Zoo on April 20, 2014 in ... more

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge feed a tree kangaroo at Taronga Zoo on April 20, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge feed a tree kangaroo at Taronga Zoo on April 20, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of ... more

Prince William, Duke of Cambridge holds Prince George of Cambridge as they look at a Bilby called George at Taronga Zoo on April 20, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Prince William, Duke of Cambridge holds Prince George of Cambridge as they look at a Bilby called George at Taronga Zoo on April 20, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a ... more

Prince William, Duke of Cambridge meets with young surf lifesavers during a surf lifesaving event on Manly Beach on April 18, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Prince William, Duke of Cambridge meets with young surf lifesavers during a surf lifesaving event on Manly Beach on April 18, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week ... more

Men hold up a pair of baby 'Budgy Smuggler' branded swimming trunks for Prince George during a visit by Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge to a lifesaving event on Manly Beach on April 18, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Men hold up a pair of baby 'Budgy Smuggler' branded swimming trunks for Prince George during a visit by Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge to a lifesaving event on Manly Beach ... more

Prince William, Duke of Cambridge, fires a starting gun while watching a Surf Life Saving demonstration at Manly Beach on April 18, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Prince William, Duke of Cambridge, fires a starting gun while watching a Surf Life Saving demonstration at Manly Beach on April 18, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a ... more

Prince William, Duke of Cambridge, fires a starting gun while watching a Surf Life Saving demonstration at Manly Beach on April 18, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Prince William, Duke of Cambridge, fires a starting gun while watching a Surf Life Saving demonstration at Manly Beach on April 18, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a ... more

Prince William, Duke of Cambridge, and Catherine, Duchess of Cambridge, meet a Koala at Taronga Zoo on April 20, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Prince William, Duke of Cambridge, and Catherine, Duchess of Cambridge, meet a Koala at Taronga Zoo on April 20, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of ... more

Catherine, Duchess of Cambridge, smells a Koala as Prince William, Duke of Cambridge looks on at Taronga Zoo on April 20, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Catherine, Duchess of Cambridge, smells a Koala as Prince William, Duke of Cambridge looks on at Taronga Zoo on April 20, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of ... more

Britain's Prince William and his wife Kate, the Duchess of Cambridge, watch their son Prince George looking at an Australian animal, called Bilby, which has been named after the young Prince, during a visit to Sydney's Taronga Zoo Sunday, April 20, 2014. The royal couple are on a 19-day official visit to New Zealand and Australia with their son George. less

Britain's Prince William and his wife Kate, the Duchess of Cambridge, watch their son Prince George looking at an Australian animal, called Bilby, which has been named after the young Prince, during a visit to ... more

Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge watch the Bird Show at Taronga Zoo on April 20, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge watch the Bird Show at Taronga Zoo on April 20, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of ... more

Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge feed giraffes at Taronga Zoo on April 20, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge feed giraffes at Taronga Zoo on April 20, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia ... more

Catherine, Duchess of Cambridge, Prince William, Duke of Cambridge and their son Prince George of Cambridge arrive at Fairbairn Airport on April 20, 2014 in Canberra, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Catherine, Duchess of Cambridge, Prince William, Duke of Cambridge and their son Prince George of Cambridge arrive at Fairbairn Airport on April 20, 2014 in Canberra, Australia. The Duke and Duchess of ... more

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge pose with a surfboard they were given as they attend a lifesaving event on Manley Beach on April 18, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge pose with a surfboard they were given as they attend a lifesaving event on Manley Beach on April 18, 2014 in Sydney, Australia. The Duke and ... more

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge watch a shearing demonstration as they visit the Sydney Royal Easter Show on April 18, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge watch a shearing demonstration as they visit the Sydney Royal Easter Show on April 18, 2014 in Sydney, Australia. The Duke and Duchess of ... more

Britain's Kate, Duchess of Cambridge, pats Fred the Merino Ram during a visit to the Royal Easter Show in Sydney, Australia, Friday, April 18, 2014. Prince William and his wife, Kate, have enjoyed a sheep-shearing demonstration and greeted crowds of flower-bearing fans at an agricultural fair in Sydney. less

Britain's Kate, Duchess of Cambridge, pats Fred the Merino Ram during a visit to the Royal Easter Show in Sydney, Australia, Friday, April 18, 2014. Prince William and his wife, Kate, have enjoyed a ... more

Britain's Prince William, third left, looks over the cliff edge as he and his wife Kate, the Duchess of Cambridge, left, observe abseiling and team building exercises at Narrow Neck Lookout near Katoomba, Australia, Thursday, April 17. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Britain's Prince William, third left, looks over the cliff edge as he and his wife Kate, the Duchess of Cambridge, left, observe abseiling and team building exercises at Narrow Neck Lookout near Katoomba, ... more

Members of the public cheer as Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge visit a lifesaving event on Manley Beach on April 18, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Members of the public cheer as Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge visit a lifesaving event on Manley Beach on April 18, 2014 in Sydney, Australia. The Duke and Duchess of ... more

Photo: Chris Jackson, Getty Images

Members of the public cheer as Catherine, Duchess of Cambridge and... Photo-6198760.84335 - Beaumont Enterprise

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Britain's Prince William, third right, and his wife Kate, Duchess of Cambridge, right, visits with young lifesavers during her visit to a surf live saving demonstration at Sydney's Manly Beach, Friday, April 18, 2014. The royal couple are undertaking a 19-day official visit to New Zealand and Australia with their son George. less

Britain's Prince William, third right, and his wife Kate, Duchess of Cambridge, right, visits with young lifesavers during her visit to a surf live saving demonstration at Sydney's Manly Beach, Friday, April ... more

Their Royal Highnesses Prince William right, Kate, Duchess of Cambridge, and Prince George walk on the tarmac after they arrived in Sydney, Australia, Wednesday, April 16, 2014. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George. less

Their Royal Highnesses Prince William right, Kate, Duchess of Cambridge, and Prince George walk on the tarmac after they arrived in Sydney, Australia, Wednesday, April 16, 2014. The Duke and Duchess of ... more

Flanked by Chief of Air Force, Air Marshall Geoff Brown (R), and Commanding Officer of Number 1 Squadron , Wing Commander Stephen Chappell (R), Catherine, the Duchess of Cambridge (C), makes her way into the cockpit of a RAAF Super Hornet of 1 Squadron at the Royal Australian Airforce Base at Amberley on April 19, 2014 in Brisbane, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Flanked by Chief of Air Force, Air Marshall Geoff Brown (R), and Commanding Officer of Number 1 Squadron , Wing Commander Stephen Chappell (R), Catherine, the Duchess of Cambridge (C), makes her way into the ... more

Commanding Officer of Number 1 Squadron, Wing Commander Stephen Chappell (R), gives details to Catherine, the Duchess of Cambridge (L) as she sits in the cockpit of a RAAF Super Hornet of 1 Squadron as her husband Prince William, Duke of Cambridge (2nd L) sits in the rear seat talking with Chief of Air Force, Air Marshal Geoff Brown (L) at the Royal Australian Airforce Base at Amberley on April 19, 2014 in Brisbane, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Commanding Officer of Number 1 Squadron, Wing Commander Stephen Chappell (R), gives details to Catherine, the Duchess of Cambridge (L) as she sits in the cockpit of a RAAF Super Hornet of 1 Squadron as her ... more

Catherine, Duchess of Cambridge, watched by Prince William, Duke of Cambridge, plants a Plunkett Mallee tree at the Memorial Garden during a visit to the Royal Australian Airforce Base at Amberley on April 19, 2014 in Brisbane, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Catherine, Duchess of Cambridge, watched by Prince William, Duke of Cambridge, plants a Plunkett Mallee tree at the Memorial Garden during a visit to the Royal Australian Airforce Base at Amberley on April 19, ... more

Prince William, Duke of Cambridge and Catherine , Duchess of Cambridge arrive at the Royal Australian Airforce Base at Amberley on April 19, 2014 in Brisbane, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Prince William, Duke of Cambridge and Catherine , Duchess of Cambridge arrive at the Royal Australian Airforce Base at Amberley on April 19, 2014 in Brisbane, Australia. The Duke and Duchess of Cambridge are on ... more

Prince William, Duke of Cambridge receives a gift from a well wisher at Southbank on April 19, 2014 in Brisbane, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Prince William, Duke of Cambridge receives a gift from a well wisher at Southbank on April 19, 2014 in Brisbane, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New ... more

Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge arrive at St Andrew's Cathedral for Easter Sunday Service on April 20, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge arrive at St Andrew's Cathedral for Easter Sunday Service on April 20, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a ... more

Britain's Prince William, center, and his wife, Kate, Duchess of Cambridge, are introduced to Fred a ram during a tour of sheep and wool exhibition at Sydney Easter Show in Sydney, Friday, April 18, 2014. The royal couple, along with Prince George, are on the 10-day official visit. less

Britain's Prince William, center, and his wife, Kate, Duchess of Cambridge, are introduced to Fred a ram during a tour of sheep and wool exhibition at Sydney Easter Show in Sydney, Friday, April 18, 2014. The ... more

Britain's Kate, the Duchess of Cambridge, meets members of the cathedral choir following an Easter Sunday service at St. Andrews Cathedral in Sydney, Sunday, April 20, 2014. Kate and her husband Prince William, along with their son Prince George, are on a 10-day official visit. less

Britain's Kate, the Duchess of Cambridge, meets members of the cathedral choir following an Easter Sunday service at St. Andrews Cathedral in Sydney, Sunday, April 20, 2014. Kate and her husband Prince William, ... more

Prince William, Duke of Cambridge, and Catherine, Duchess of Cambridge, meet a Koala at Taronga Zoo on April 20, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Prince William, Duke of Cambridge, and Catherine, Duchess of Cambridge, meet a Koala at Taronga Zoo on April 20, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of ... more

Britain's Prince William reacts as he and his wife Kate, the Duchess of Cambridge, left, feed giraffes during a visit to Sydney's Taronga Zoo, Australia Sunday, April 20, 2014.

Britain's Prince William reacts as he and his wife Kate, the Duchess of Cambridge, left, feed giraffes during a visit to Sydney's Taronga Zoo, Australia Sunday, April 20, 2014.

Photo: David Gray, Associated Press

Britain's Prince William reacts as he and his wife Kate, the... Photo-6195049.84335 - Beaumont Enterprise

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Prince William, Duke of Cambridge, and Catherine, Duchess of Cambridge, meet a Koala at Taronga Zoo on April 20, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. less

Prince William, Duke of Cambridge, and Catherine, Duchess of Cambridge, meet a Koala at Taronga Zoo on April 20, 2014 in Sydney, Australia. The Duke and Duchess of Cambridge are on a three-week tour of ... more